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经营范围
发明名称
Système d'aimants permanents, notamment pour tubes à ondes progressives
摘要
申请公布号
FR1377728(A)
申请公布日期
1964.11.06
申请号
FR19630956822
申请日期
1963.12.11
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H01F7/02;H01J23/087
主分类号
H01F7/02
代理机构
代理人
主权项
地址
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